Briket Arang Berbahan Campuran Ampas Daging Buah Kelapa dan Tongkol Jagung. Machine : Jurnal Teknik Mesin, [S. l.], v. 3, n. 1, p. 30–35, 2017. Disponível em: https://journal.ubb.ac.id/index.php/machine/article/view/474. Acesso em: 21 may. 2026.